Window Navigation with Adaptive Probing for Executing BlockMax WAND
Window Navigation with Adaptive Probing for Executing BlockMax WAND
复制标题
用于执行 BlockMax WAND 的带有自适应探测的窗口导航
DOI:
10.1145/3404835.3463109
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Yang, T.
中科院分区:
文献类型:
--
作者:
Shao, J.;Qiao, Y.;Ji, S.;Yang, T.
BlockMax WAND (BMW) and its variants can effectively prune low-scoring documents for fast top-k disjunctive query processing. This paper studies a boosting approach that further accelerates document retrieval by executing BMW, or one of its variants, on a sequence of posting windows with an order prioritized to tighten the threshold bound earlier. This optimization could add benefits to safely eliminate more operations involved in posting block visitation and document score evaluation. This paper evaluates such index navigation for BMW and two of its variants.
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